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Talk Overview
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1. A Brief Comparison of Color Rendering
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Spectral Rendering
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Component Rendering
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RGB (Tristimulus) Rendering
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Rendering Cost Comparison
Can get away with fewer spectral samples if scene contains
only smoothly-varying source and reflectance spectra,
or samples are chosen to correspond to spectral peaks.
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Strengths and Weaknesses
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Spectral Aliasing
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The Data Mixing Problem
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2. Getting the Most Out of RGB
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Status Quo Rendering
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When Does RGB Rendering Normally Fail?
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Given Its Predominance, Can We Improve RGB Rendering?
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A Few Useful Observations
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Picture Perfect RGB Rendering
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Spectral Prefiltering
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Prefiltering vs. Full Spectral Rendering
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Quick Comparison
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The von Kries Transform for Chromatic Adaptation
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Chromatic Adaptation Matrix
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3. Three Tristimulus Spaces for Color Rendering
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XYZ Rendering Process
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sRGB Rendering Process
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Sharp RGB Rendering Process
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Our Experimental Test Scene
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4. Experimental Results
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Example Comparison (sRGB)
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Results Summary
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5. Conclusions
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Future Work
Page created Sept 17 2002 5:38:36a